Name: Western Boxelder Bug (Boisea rubrolineata)
Description: A North American species of true bug. It is found primarily on boxelder trees, as well as maple and ash trees. The adults are about 12.5 millimetres (0.49 in) long with a dark brown or black colouration, relieved by red wing veins and markings on the abdomen; nymphs are bright red. Boisea rubrolineata or the western boxelder bug is identical to the boxelder bug aside from having prominent red veins on its corium. It is found on the west of North America. The name "stink bug," which is more regularly applied to the family Pentatomidae, is sometimes incorrectly used to refer to boxelder bugs. Instead, boxelder bugs belong to the family Rhopalidae, the so-called "scentless plant bugs". However, boxelder bugs are strong-smelling and will release a pungent and bad-tasting compound upon being disturbed to discourage predation. This allows them to form conspicuous aggregations without being preyed on. These insects feed, lay eggs and develop on boxelder trees, most commonly occurring on female trees as they produce seeds. Boxelder bugs prefer seeds; however, they also suck leaves. They can be frequently observed on maple as these trees provide them with seeds as well. Boxelder bugs overwinter in plant debris or protected human-inhabited places and other suitable structures. Although they specialize on the seeds from maple, boxelder and ash, they may pierce other parts of the plant while feeding. They are not classified as an agricultural pest and are generally not considered injurious to ornamental plantings. However, they are known to damage some fruits in the fall when they leave their summer quarters in trees and seek areas to overwinter. Feeding by the bugs produces dimples, scars, fruit deformation, corky tissue, and even premature fruit-drop in strawberries and some tree fruits.
Dymadex's blogs on bugs, including insects and arachnids. Insects are hexapod invertebrates like ants, beetles, bees, and flies. Arachnids are joint-legged invertebrates like spiders, scorpions, ticks, and harvestmen. Other organisms in this blog include centipede, millipede, and worms.
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